How is the answer 35.4 cm? please help me if you can thank you!

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2